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EXQ50 Series
DC/DC CONVERTERS * * * *
Single output
36-50W High Efficiency DC/DC Converters 1
High efficiency topology, 90% at 5V and 86.5% typical at 1.8V Low profile, open-frame package Industry standard footprint Wide operating temperature, -40C to +90C (with derating) * 90% to 110% output trim * No minimum load * Remote on/off
EXQ50 series high-efficiency, open-frame, isolated DC/DC converters have an industry standard quarter-brick footprint and a height of just 0.4 inches. The converters provide up to 50 Watts of output power, are capable of delivering very high current at low voltages, and offer exceptional power densities for today's high-end applications. The first four models in the series feature an input voltage range of 33 to 75VDC and are available with output voltages of 5.0V, 3.3V, 2.5V or 1.8V. The output voltage of each model is adjustable from 90% to 110% of its nominal value. Typical efficiencies are 90% for the 5V model, 89% for the 3.3V, 88% for the 2.5V and 86.5% for the 1.8V. All EXQ50 series converters have a remote on/off capability, and are fully protected against over-voltage, over-temperature and short-circuit conditions. Featuring full international safety approval, including EN60950 (TUV Product Service) and UL/cUL 60950, EXQ50 series converters reduce compliance costs and time to market.
All specifications are typical at nominal input, full load at 25C unless otherwise stated
TUV
2 YEAR WARRANTY
SPECIFICATIONS
OUTPUT SPECIFICATIONS Total error Set point accuracy Line regulation Load regulation Voltage adjustability Output remote sense range Minimum load Overshoot Undershoot Ripple and noise Transient response (See Note 1) INPUT SPECIFICATIONS Input voltage range Input current Input current (max.) (See Note 3) Input reflected ripple (See Note 5) 48Vin nominal No load Remote OFF 33 to 75VDC 60mA 25mA 1.73A max. @ Io max. and Vin = 33 110mA (pk-pk) (See Note 7) Open collector ref to -input Open circuit or <12VDC <1.2VDC 32.5V 30.5V 10ms 3ms 5Hz to 20MHz At turn-on and turn-off (See Note 9) Low line to high line Full load to min. load (See Note 8) 4.5% 2.0% max. 0.3% max. 0.3% max. 90% to 110% 10% 0A None None 120mV pk-pk 30mV rms 5% max. deviation 200s recovery to within total error band
EMC CHARACTERISTICS Conducted emissions Radiated emissions Immunity: ESD air ESD contact EFT DC Input Radiated field enclosure Conducted (DC power) Conducted (signal) Input transients EN55022 (See Note 2) EN55022 (See Note 2) EN55022 EN61000-4-2 EN61000-4-2 EN61000-4-4 EN61000-4-3 EN61000-4-6 EN61000-4-6 ETS 300 132-2, ETR 283 Level A Level B Level A 8kV, 15kV 6kV, 8kV 2kV (NP) 10V/m 10V (NP) 10V (NP)
GENERAL SPECIFICATIONS Efficiency Operational insulation Switching frequency Approvals and standards (See Note 4) Material flammability Weight MTBF MIL-HDBK-217F @ 40C, 100% load ground benign Input/output Fixed See table 1500VDC 350kHz EN60950 (TUV Product Service) UL/cUL60950 UL94V-0 25g (0.88oz) >292,000 hours
ENVIRONMENTAL SPECIFICATIONS Thermal performance Operating temperature -40C to +90C Non-operating -40C to +125C
Active high remote ON/OFF Logic compatibility ON OFF Undervoltage lockout Start-up time (See Note 6) Power up Power down
Power up Remote ON/OFF
File Name: EXQ50S.PDF Rev: 01 Nov 2002
EXQ50 Series
DC/DC CONVERTERS
OUTPUT POWER (MAX.) 36W 50W 50W 50W Notes INPUT VOLTAGE 33-75VDC 33-75VDC 33-75VDC 33-75VDC OVP 2.3VDC 3.0VDC 3.9VDC 6.0VDC OUTPUT VOLTAGE 1.8V 2.5V 3.3V 5.0V
Single output
36-50W High Efficiency DC/DC Converters 2
For the most current data and application support visit www.artesyn.com/powergroup/products.htm
OUTPUT CURRENT (MIN.) 0A 0A 0A 0A
OUTPUT CURRENT (MAX.) 20A 20A 15A 10A
EFFICIENCY (TYP.) 86.5% 88.0% 89.0% 90.0%
REGULATION LINE 0.3% 0.3% 0.3% 0.3%
(10)
LOAD 0.3% 0.3% 0.3% 0.3%
MODEL NUMBER (7) EXQ50-48S1V8 EXQ50-48S2V5 EXQ50-48S3V3 EXQ50-48S05
PROTECTION Short circuit protection Overvoltage protection TELECOM SPECIFICATION Central office interface A ETS300-132-2 input voltage and current requirements (<20m short) Continuous Non-latching clamp
di/dt = 0.1A/s, Vin = 48VDC, Tc = 25C, load change = 0.5 lo max. to 0.75 lo max. and 0.75 lo max. to 0.5 lo max. 2 The EXQ50 meets level A and level B conducted emissions only with external components connected before the input pins to the converter. See Application Note 120 for details. 3 Recommended input fusing is a 3.15A HRC 200V rated fuse. 4 This product is only for inclusion by professional installers within other equipment and must not be operated as a stand alone product. 5 Measured with no external Pi filter. Significant reduction possible with external filter. 6 Start-up into resistive load. 7 Active low remote On/Off is available. Standard product is active high. When ordering active low parts, designate with the Suffix '-R', e.g EXQ50-48S3V3-R. 8 This parameter is calculated at worst case line, load, temperature and initial settings. 9 This is inclusive of the output trim range. If 6.0% trim-up is used, for example, then only 4.0% output sense is available. 10 Maximum, not typical, specification.
1
CAUTION: Hazardous internal voltages and high temperatures. Ensure that unit is not user accessible.
2.3000.020 (58.420.5)
0.4000.017 (10.180.44) Installed HT
PIN CONNECTIONS PIN NUMBER 1 2 3 4 5 6 7 8 FUNCTION +Vin On/Off -Vin -Vout -Sense Trim +Sense +Vout
Remote on/off
Sense+ Trim Sense-
Vin-
Vout-
Top view
0.017 (0.43) Min clearance
Seating Plane 0.138 (3.50) REF 2.000 (50.80) 0.140 (3.56) o0.040 0.002 (o1.04 0.05) 6 Places
VinRemote on/off VoutSenseTrim Sense+ Vout+
0.150 (3.81) o0.062 0.002 (o1.57 0.05) 2 Places
0.300 (7.62)
0.450 (11.43)
0.150 (3.81)
0.300 (7.62)
Bottom view All dimensions in inches (mm) All tolerances 0.010in (0.25mm) Unless otherwise stated
International Safety Standard Approvals
UL/cUL CAN/CSA 22.2 No. 60950-00 : UL 60950 File No. E174104
TUV
TUV Product Service. Certificate No. B 01 11 38572 029
Data Sheet (c) Artesyn Technologies(R) 2002 The information and specifications contained in this data sheet are believed to be correct at time of publication. However, Artesyn Technologies accepts no responsibility for consequences arising from printing errors or inaccuracies. Specifications are subject to change without notice. No rights under any patent accompany the sale of any such product(s) or information contained herein.
Please consult our website for the following items:
Application Note
Longform Data Sheet
www.artesyn.com
File Name: EXQ50S.PDF Rev: 01 Nov 2002
0.435 (11.05)
0.435 (11.05)
0.300 (7.62)
0.600 (15.24)
Vin+
1.4500.020 (36.830.5)
Vin+
Vout+

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